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Finding the Fourth Proportional to 79,794.80, 119,692.20 and 54,911.60

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Solution

The fourth proportional to 79,794.80, 119,692.20 and 54,911.60 is: 82,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.80 : 119,692.20 = 54,911.60 : x
  2. Step 2: Convert to fraction form
    79,794.80/119,692.20 = 54,911.60/x
  3. Step 3: Cross multiply
    79,794.80x = 119,692.20 × 54,911.60
  4. Step 4: Simplify right side
    79,794.80x = 6,572,490,209.52
  5. Step 5: Solve for x
    x = 6,572,490,209.52/79,794.80
  6. Step 6: Final answer
    x = 82,367.40

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